Iona Wynter-Parks (born November 25, 1968, in London, England), née Wynter is a former triathlete and cyclist from Jamaica.
Wynter-Parks was born to a Jamaican father and a German mother, and moved to Jamaica aged two. Wynter was educated at Campion College, Jamaica, the University of the West Indies, Dalhousie University, Georgia State University and Laval University, She took thirty-fourth place She rode on a professional U.S. cycling team sponsored by Italian olive oil company Colavita and headed by celebrated American cyclist Tina Pic. She also served as director of the Colavita team for the 2009 season. After the original Colavita team was dissolved in October 2011, she became a director of the new Colavita-espnW team established in 2012, alongside her former team-mate Pic. She was a member of the Autotrader.com team and then rode for Genesis-Scuba before entering into semi-retirement in order to balance her teaching career. She rode the 2005 season for Travel Girls and as a guest rider for the Quark Cycling Team.
She won the Central American and Caribbean Road Race Championships in 2002 and in 2006 became the Scratch Race Champion in the same Games. She has competed in the Pan American Games and the Commonwealth Games on the road and the track. She also competed in the Giro d'Italia Femminile.